Over and above
Definition 1 of 2
Pro Tip 1/3Additional Effort
Use when someone puts in more effort than what's expected, showing dedication. 
He studied over and above the material to ensure he got a top score.
Pro Tip 2/3Quantitative Excess
Use to indicate quantities that exceed what was planned or anticipated. 
The expenses were over and above what we had budgeted for.
Pro Tip 3/3Unexpected Bonus
Use when receiving more than what one could reasonably expect. 
The hotel provided services over and above what was included in our package.